re2o/machines/serializers.py

# -*- mode: python; coding: utf-8 -*-
# Re2o est un logiciel d'administration développé initiallement au rezometz. Il
# se veut agnostique au réseau considéré, de manière à être installable en
# quelques clics.
#
# Copyright © 2017  Gabriel Détraz
# Copyright © 2017  Goulven Kermarec
# Copyright © 2017  Augustin Lemesle
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

#Augustin Lemesle

from rest_framework import serializers
from machines.models import Interface, IpType, Extension, IpList, MachineType, Domain, Text, Mx, Service_link, Ns, OuverturePortList, OuverturePort

class IpTypeField(serializers.RelatedField):
    def to_representation(self, value):
        return value.type

class IpListSerializer(serializers.ModelSerializer):
    ip_type = IpTypeField(read_only=True)

    class Meta:
        model = IpList
        fields = ('ipv4', 'ip_type')

class InterfaceSerializer(serializers.ModelSerializer):
    ipv4 = IpListSerializer(read_only=True)
    mac_address = serializers.SerializerMethodField('get_macaddress')
    domain = serializers.SerializerMethodField('get_dns')
    extension = serializers.SerializerMethodField('get_interface_extension')

    class Meta:
        model = Interface
        fields = ('ipv4', 'mac_address', 'domain', 'extension')

    def get_dns(self, obj):
        return obj.domain.name

    def get_interface_extension(self, obj):
        return obj.domain.extension.name

    def get_macaddress(self, obj):
        return str(obj.mac_address)

class FullInterfaceSerializer(serializers.ModelSerializer):
    ipv4 = IpListSerializer(read_only=True)
    mac_address = serializers.SerializerMethodField('get_macaddress')
    domain = serializers.SerializerMethodField('get_dns')
    extension = serializers.SerializerMethodField('get_interface_extension')

    class Meta:
        model = Interface
        fields = ('ipv4', 'ipv6', 'mac_address', 'domain', 'extension')

    def get_dns(self, obj):
        return obj.domain.name

    def get_interface_extension(self, obj):
        return obj.domain.extension.name

    def get_macaddress(self, obj):
        return str(obj.mac_address)

class ExtensionNameField(serializers.RelatedField):
    def to_representation(self, value):
        return value.name

class TypeSerializer(serializers.ModelSerializer):
    extension = ExtensionNameField(read_only=True)
    ouverture_ports_tcp_in = serializers.SerializerMethodField('get_port_policy_input_tcp')
    ouverture_ports_tcp_out = serializers.SerializerMethodField('get_port_policy_output_tcp')
    ouverture_ports_udp_in = serializers.SerializerMethodField('get_port_policy_input_udp')
    ouverture_ports_udp_out = serializers.SerializerMethodField('get_port_policy_output_udp')

    class Meta:
        model = IpType
        fields = ('type', 'extension', 'domaine_ip_start', 'domaine_ip_stop', 'ouverture_ports_tcp_in', 'ouverture_ports_tcp_out', 'ouverture_ports_udp_in', 'ouverture_ports_udp_out', )

    def get_port_policy(self, obj, protocole, io):
        if obj.ouverture_ports is None:
            return []
        return map(str, obj.ouverture_ports.ouvertureport_set.filter(protocole=protocole).filter(io=io))

    def get_port_policy_input_tcp(self, obj):
        return self.get_port_policy(obj, OuverturePort.TCP, OuverturePort.IN)

    def get_port_policy_output_tcp(self, obj):
        return self.get_port_policy(obj, OuverturePort.TCP, OuverturePort.OUT)

    def get_port_policy_input_udp(self, obj):
        return self.get_port_policy(obj, OuverturePort.UDP, OuverturePort.IN)

    def get_port_policy_output_udp(self, obj):
        return self.get_port_policy(obj, OuverturePort.UDP, OuverturePort.OUT)

class ExtensionSerializer(serializers.ModelSerializer):
    origin = serializers.SerializerMethodField('get_origin_ip')
    zone_entry = serializers.SerializerMethodField('get_zone_name')

    class Meta:
        model = Extension
        fields = ('name', 'origin', 'zone_entry')

    def get_origin_ip(self, obj):
        return obj.origin.ipv4

    def get_zone_name(self, obj):
        return str(obj.dns_entry)

class MxSerializer(serializers.ModelSerializer):
    name = serializers.SerializerMethodField('get_entry_name')
    zone = serializers.SerializerMethodField('get_zone_name')
    mx_entry = serializers.SerializerMethodField('get_mx_name')

    class Meta:
        model = Mx
        fields = ('zone', 'priority', 'name', 'mx_entry')

    def get_entry_name(self, obj):
        return str(obj.name)

    def get_zone_name(self, obj):
        return obj.zone.name

    def get_mx_name(self, obj):
        return str(obj.dns_entry)

class TextSerializer(serializers.ModelSerializer):
    zone = serializers.SerializerMethodField('get_zone_name')
    text_entry = serializers.SerializerMethodField('get_text_name')

    class Meta:
        model = Text
        fields = ('zone','text_entry','field1', 'field2')

    def get_zone_name(self, obj):
        return str(obj.zone.name)

    def get_text_name(self, obj):
        return str(obj.dns_entry)

class NsSerializer(serializers.ModelSerializer):
    zone = serializers.SerializerMethodField('get_zone_name')
    ns = serializers.SerializerMethodField('get_domain_name')
    ns_entry = serializers.SerializerMethodField('get_text_name') 

    class Meta:
        model = Ns
        fields = ('zone', 'ns', 'ns_entry')

    def get_zone_name(self, obj):
        return obj.zone.name

    def get_domain_name(self, obj):
        return str(obj.ns)

    def get_text_name(self, obj):
        return str(obj.dns_entry)

class DomainSerializer(serializers.ModelSerializer):
    extension = serializers.SerializerMethodField('get_zone_name')
    cname = serializers.SerializerMethodField('get_alias_name')
    cname_entry = serializers.SerializerMethodField('get_cname_name') 

    class Meta:
        model = Domain
        fields = ('name', 'extension', 'cname', 'cname_entry')

    def get_zone_name(self, obj):
        return obj.extension.name

    def get_alias_name(self, obj):
        return str(obj.cname)

    def get_cname_name(self, obj):
        return str(obj.dns_entry)

class ServiceServersSerializer(serializers.ModelSerializer):
    server = serializers.SerializerMethodField('get_server_name')
    service = serializers.SerializerMethodField('get_service_name')
    need_regen = serializers.SerializerMethodField('get_regen_status')

    class Meta:
        model = Service_link
        fields = ('server', 'service', 'need_regen')

    def get_server_name(self, obj):
        return str(obj.server.domain.name)

    def get_service_name(self, obj):
        return str(obj.service)

    def get_regen_status(self, obj):
        return obj.need_regen()

class OuverturePortsSerializer(serializers.Serializer):
    ipv4 = serializers.SerializerMethodField()
    ipv6 = serializers.SerializerMethodField()

    def get_ipv4():
        return {i.ipv4.ipv4:
                {
                    "tcp_in":[j.tcp_ports_in() for j in i.port_lists.all()],
                    "tcp_out":[j.tcp_ports_out()for j in i.port_lists.all()],
                    "udp_in":[j.udp_ports_in() for j in i.port_lists.all()],
                    "udp_out":[j.udp_ports_out() for j in i.port_lists.all()],
                }
            for i in Interface.objects.all() if i.ipv4
        }
                                                            
    def get_ipv6():
        return {i.ipv6:
                {
                    "tcp_in":[j.tcp_ports_in() for j in i.port_lists.all()],
                    "tcp_out":[j.tcp_ports_out()for j in i.port_lists.all()],
                    "udp_in":[j.udp_ports_in() for j in i.port_lists.all()],
                    "udp_out":[j.udp_ports_out() for j in i.port_lists.all()],
                }
            for i in Interface.objects.all() if i.ipv6
        }